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leonid [27]
3 years ago
12

The hardcover version of a book weighs twice as much as its paperback version. The hardcover book and the paperback together wei

gh 4.2 pounds. Which system of equations can be used to find h, the weight of the hardcover book, and p, the weight of the paperback?
Mathematics
2 answers:
Ymorist [56]3 years ago
6 0

Answer:

D. h=4.2-p    h=2p

Step-by-step explanation:

edg 2020

jasenka [17]3 years ago
5 0

I think  H=P*2/4.2 could work corrext me if im wrong please


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The result of multiplying the polynomials is (2x + 3) (-x + 2y - 4) = -2x² + 4xy - 11x + 6y - 12

<h3>How to multiply the polynomials?</h3>

The polynomial expression is given as

(2x + 3) (-x + 2y - 4)

Expand the brackets in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = 2x * (-x + 2y - 4) + 3 * (-x + 2y - 4)

Open the brackets in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = -2x² + 4xy - 8x + -3x + 6y - 12

Evaluate the like terms in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = -2x² + 4xy - 11x + 6y - 12

Hence, the solution is -2x² + 4xy - 11x + 6y - 12

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1 year ago
If A = James's present age, write an expression for his age seven years from now *
Keith_Richards [23]

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A +7= F

Step-by-step explanation:

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3 years ago
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Assoli18 [71]

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1/3*1/6 is ur answer.

1/18

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Answer:

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Answer:

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so

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2 years ago
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